Weep holes are an integral part of a window’s construction. The weep holes in a wood window allow any accumulated water to escape and prevent the sill from rotting. In a vinyl or PVC window, the sill (the part forming the bottom frame of the window) and jamb (the structural support inside the window that supports the sash and permits movement) are the same shape and any water entering the tracks holding the sashes into the frame would not be able to drain properly. (more…)